Home / 20,017.81-27,625.49-11,632.69

Finding the Fourth Proportional to 20,017.81, 27,625.49 and 11,632.69

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Solution

The fourth proportional to 20,017.81, 27,625.49 and 11,632.69 is: 16,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.81 : 27,625.49 = 11,632.69 : x
  2. Step 2: Convert to fraction form
    20,017.81/27,625.49 = 11,632.69/x
  3. Step 3: Cross multiply
    20,017.81x = 27,625.49 × 11,632.69
  4. Step 4: Simplify right side
    20,017.81x = 321,358,761.27
  5. Step 5: Solve for x
    x = 321,358,761.27/20,017.81
  6. Step 6: Final answer
    x = 16,053.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.